David Keeling

David Keeling is a prominent American geographer known for his significant contributions to understanding global climate change and environmental science. He is particularly recognized for his work in measuring atmospheric carbon dioxide levels at the Mauna Loa Observatory in Hawaii, which began in 1958. This ongoing study has provided critical data about rising CO2 concentrations and its impact on climate. Keeling's research has helped raise awareness of global warming and its environmental implications, making a lasting impact on how scientists and policymakers approach climate issues today.